:root {
  color-scheme: light;
  --page: #ffffff;
  --surface: #f7f7f3;
  --surface-strong: #efefe8;
  --ink: #0b0b0a;
  --ink-soft: #4e4e49;
  --muted: #77776f;
  --line: #deded6;
  --line-strong: #b9b9ae;
  --brand: #ffc700;
  --brand-soft: #fff4bd;
  --brand-ink: #4e3c00;
  --dark: #000000;
  --dark-surface: #11110f;
  --dark-line: #30302b;
  --light: #ffffff;
  --light-soft: #c8c8c0;
  --editorial-dark-soft: #4e4e49;
  --success: #16794c;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 28px 80px rgb(0 0 0 / 0.14);
  --shadow-yellow: 0 14px 30px rgb(255 199 0 / 0.2);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shell: 1200px;
  --header-height: 76px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0b0b0a;
  --surface: #141412;
  --surface-strong: #1d1d19;
  --ink: #f8f8f2;
  --ink-soft: #c5c5bc;
  --muted: #909087;
  --line: #30302b;
  --line-strong: #4d4d45;
  --brand-soft: #3a3007;
  --brand-ink: #ffdc55;
  --dark: #000000;
  --dark-surface: #11110f;
  --dark-line: #30302b;
  --light: #ffffff;
  --light-soft: #c8c8c0;
  --success: #54c58e;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.35);
  --shadow-lg: 0 28px 80px rgb(0 0 0 / 0.46);
  --shadow-yellow: 0 14px 30px rgb(255 199 0 / 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
mark { background: none; color: inherit; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 999;
  transform: translateY(-160%); background: var(--brand); color: var(--dark);
  padding: 8px 14px; border-radius: var(--radius); font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-height);
  background: color-mix(in srgb, var(--page) 90%, transparent);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(16px);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 32px; }
.wordmark { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; line-height: 1; white-space: nowrap; }
.wordmark-main { position: relative; z-index: 0; font-size: 22px; font-weight: 900; letter-spacing: -0.05em; }
.wordmark-main::after { content: ""; position: absolute; z-index: -1; left: 0; bottom: -3px; width: 17px; height: 5px; background: var(--brand); }
.wordmark-by { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; color: var(--muted); }
.header-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.header-nav a { color: var(--ink-soft); font-size: 13px; font-weight: 700; text-decoration: none; }
.header-nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.button:focus-visible, .header-nav a:focus-visible, .wordmark:focus-visible {
  outline: 3px solid var(--brand); outline-offset: 3px;
}

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 14px 22px; border: 1px solid var(--dark);
  border-radius: var(--radius); background: var(--dark); color: var(--light);
  font-size: 14px; font-weight: 800; line-height: 1.3; text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.button:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.button-small { min-height: 42px; padding: 10px 16px; font-size: 12px; }
.button-primary { background: var(--brand); border-color: var(--brand); color: var(--dark); box-shadow: var(--shadow-yellow); }
.button-meta { border-left: 1px solid currentColor; padding-left: 10px; opacity: 0.65; font-size: 11px; }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 7px;
  background: linear-gradient(90deg, var(--brand) 0 28%, var(--dark) 28% 100%);
}
.hero-grid { min-height: calc(100vh - var(--header-height)); padding-block: 72px 84px; display: grid; grid-template-columns: minmax(0, 0.94fr) minmax(480px, 1.06fr); gap: 72px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 28px; padding: 7px 12px;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  color: var(--ink-soft); font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
}
.hero h1 { margin: 0; font-size: clamp(48px, 5.4vw, 78px); font-weight: 900; line-height: 1.15; letter-spacing: -0.055em; text-wrap: balance; }
.hero h1 mark { position: relative; z-index: 0; white-space: nowrap; }
.hero h1 mark::after { content: ""; position: absolute; z-index: -1; left: -0.02em; right: -0.02em; bottom: 0.08em; height: 0.28em; background: var(--brand); }
.hero-lead { max-width: 42em; margin: 30px 0 0; color: var(--ink-soft); font-size: 17px; line-height: 1.9; font-weight: 500; }
.hero-detail { max-width: 42em; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.hero-actions { margin-top: 34px; display: grid; gap: 14px; justify-items: start; }
.cta-note { max-width: 520px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.cta-note strong { color: var(--ink); }
.trust-line { display: flex; flex-wrap: wrap; gap: 0; margin-top: 30px; border-top: 1px solid var(--line); padding-top: 18px; }
.trust-line span { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; }
.trust-line span + span::before { content: "/"; margin-inline: 14px; color: var(--line-strong); }

.product-stage { position: relative; padding: 36px 0 0 24px; }
.product-stage::before {
  content: ""; position: absolute; top: 0; left: 0; width: 74%; height: 76%;
  border-radius: var(--radius-lg); background: var(--brand);
}
.product-window { position: relative; z-index: 1; overflow: hidden; border: 1px solid var(--dark-line); border-radius: var(--radius-lg); background: var(--dark-surface); color: var(--light); box-shadow: var(--shadow-lg); }
.product-topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 24px; border-bottom: 1px solid var(--dark-line); }
.product-topbar > div { display: flex; align-items: baseline; gap: 12px; }
.product-topbar strong { font-size: 15px; }
.product-kicker { color: var(--brand); font-size: 10px; font-weight: 900; letter-spacing: 0.14em; }
.status-dot { display: inline-flex; align-items: center; gap: 7px; color: var(--light-soft); font-size: 10px; font-weight: 700; }
.status-dot i { width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 12%, transparent); }
.product-summary { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--dark-line); }
.product-summary div { padding: 18px 24px; }
.product-summary div + div { border-left: 1px solid var(--dark-line); }
.product-summary span, .product-summary strong { display: block; }
.product-summary span { color: var(--light-soft); font-size: 9px; font-weight: 700; letter-spacing: 0.12em; }
.product-summary strong { margin-top: 4px; font-size: 13px; }
.product-panel { margin: 18px; overflow: hidden; border: 1px solid var(--dark-line); border-radius: var(--radius); background: var(--dark); }
.product-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px; border-bottom: 1px solid var(--dark-line); }
.product-panel-head div span, .product-panel-head div strong { display: block; }
.product-panel-head div span { color: var(--brand); font-size: 8px; font-weight: 800; letter-spacing: 0.14em; }
.product-panel-head div strong { margin-top: 2px; font-size: 13px; }
.product-panel-head b { color: var(--light-soft); font-size: 9px; }
.task-list { list-style: none; margin: 0; padding: 0; }
.task-list li { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 14px 16px; border-top: 1px solid var(--dark-line); }
.task-list li:first-child { border-top: 0; }
.task-index { color: var(--brand); font-size: 11px; font-weight: 900; }
.task-list strong, .task-list small { display: block; }
.task-list strong { font-size: 11px; line-height: 1.5; }
.task-list small { margin-top: 2px; color: var(--light-soft); font-size: 9px; line-height: 1.5; }
.task-chip { padding: 3px 7px; border-radius: var(--radius-sm); background: var(--brand); color: var(--dark); font-size: 8px; font-weight: 800; white-space: nowrap; }
.task-chip-muted { background: var(--dark-line); color: var(--light-soft); }
.product-cycle { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 0 18px 20px; color: var(--light-soft); font-size: 8px; font-weight: 700; }
.product-cycle span { border: 1px solid var(--dark-line); border-radius: var(--radius-sm); padding: 5px 7px; }
.product-cycle i { color: var(--brand); font-style: normal; }
.stage-caption { position: relative; z-index: 2; width: 70%; margin: -6px 0 0 auto; padding: 14px 18px; border-radius: var(--radius) 0 var(--radius) var(--radius); background: var(--brand); color: var(--dark); box-shadow: var(--shadow-yellow); }
.stage-caption span, .stage-caption strong { display: block; }
.stage-caption span { font-size: 9px; font-weight: 700; letter-spacing: 0.08em; }
.stage-caption strong { font-size: 14px; }

.section { padding-block: 112px; border-bottom: 1px solid var(--line); }
.section-heading { margin-bottom: 56px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--brand-ink); font-size: 11px; font-weight: 900; letter-spacing: 0.13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; background: var(--brand); }
.section h2, .closing h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); font-weight: 900; line-height: 1.35; letter-spacing: -0.045em; text-wrap: balance; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr); gap: 72px; align-items: end; }
.heading-aside { margin: 0 0 8px; padding-left: 20px; border-left: 3px solid var(--brand); color: var(--muted); font-size: 14px; line-height: 1.8; }
.centered-heading { max-width: 820px; margin-inline: auto; text-align: center; }
.centered-heading .eyebrow { justify-content: center; }
.centered-heading > p:last-child { max-width: 700px; margin: 20px auto 0; color: var(--muted); }

.section-problem { background: var(--surface); }
.problem-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0; padding: 0; }
.problem-grid li { position: relative; min-height: 250px; padding: 36px 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--page); box-shadow: var(--shadow-sm); }
.problem-grid h3 { margin: 0 0 14px; font-size: 21px; line-height: 1.45; }
.problem-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.problem-answer { margin: 44px auto 0; text-align: center; font-size: 19px; font-weight: 700; }
.problem-answer strong { position: relative; margin-left: 5px; font-size: 1.12em; z-index: 0; }
.problem-answer strong::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0.1em; height: 0.35em; z-index: -1; background: var(--brand); }

.approach-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; align-items: start; }
.sticky-heading { position: sticky; top: calc(var(--header-height) + 32px); margin: 0; }
.sticky-heading > p:last-child { margin: 28px 0 0; color: var(--ink-soft); }
.approach-steps { border-top: 1px solid var(--line); }
.approach-steps article { display: grid; grid-template-columns: 120px 0.55fr 1fr; gap: 28px; align-items: start; padding: 34px 0; border-bottom: 1px solid var(--line); }
.approach-steps article > span { color: var(--brand-ink); font-size: 10px; font-weight: 900; letter-spacing: 0.12em; }
.approach-steps h3 { margin: 0; font-size: 19px; line-height: 1.55; }
.approach-steps p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.section-trial { background: var(--surface); }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.benefit-grid article { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--page); }
.benefit-icon { display: inline-flex; min-width: 68px; min-height: 36px; align-items: center; justify-content: center; margin-bottom: 48px; padding: 6px 10px; border: 1px solid var(--ink); border-radius: var(--radius-sm); box-shadow: 5px 5px 0 var(--brand); font-size: 10px; font-weight: 900; letter-spacing: 0.05em; }
.benefit-grid h3 { margin: 0 0 14px; font-size: 20px; }
.benefit-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.section-revenue { background: var(--dark); color: var(--light); border-color: var(--dark-line); }
.revenue-grid { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 88px; align-items: center; }
.eyebrow-on-dark { color: var(--brand); }
.revenue-copy h2 mark, .closing h2 mark { color: var(--brand); }
.revenue-copy > p:not(.eyebrow) { color: var(--light-soft); }
.revenue-copy strong { color: var(--light); }
.revenue-visual { min-width: 0; }
.revenue-model { display: grid; grid-template-columns: 0.7fr auto 1.3fr; align-items: center; gap: 16px; }
.model-before, .model-after { min-height: 300px; display: flex; flex-direction: column; justify-content: center; padding: 28px; border-radius: var(--radius); }
.model-before { border: 1px solid var(--dark-line); background: var(--dark-surface); }
.model-after { border: 1px solid var(--brand); background: var(--brand); color: var(--dark); }
.model-before > span, .model-after > span { margin-bottom: 34px; font-size: 9px; font-weight: 900; letter-spacing: 0.14em; }
.model-before > strong { font-size: 28px; }
.model-before > i { height: 2px; margin: 20px 0; background: var(--dark-line); }
.model-before small { color: var(--light-soft); }
.model-after > div:first-of-type { display: flex; align-items: center; gap: 10px; }
.model-after strong { font-size: 24px; line-height: 1.35; }
.model-after b { font-size: 20px; }
.model-loop { display: flex; gap: 5px; margin: 30px 0 16px; }
.model-loop i { width: 25%; height: 7px; border-radius: var(--radius-sm); background: var(--dark); opacity: 0.2; }
.model-loop i:nth-child(2), .model-loop i:nth-child(3), .model-loop i:nth-child(4) { opacity: 0.45; }
.model-arrow { color: var(--brand); font-size: 26px; font-weight: 900; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stats-grid article { min-height: 230px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; background: var(--surface); }
.stats-grid article + article { border-left: 1px solid var(--line); }
.stat-label { color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.stats-grid strong { display: flex; align-items: baseline; justify-content: flex-end; font-size: clamp(42px, 5vw, 64px); line-height: 1; letter-spacing: -0.06em; font-variant-numeric: tabular-nums; }
.stats-grid strong b { margin-right: 4px; color: var(--brand-ink); font-size: 0.48em; }
.stats-grid strong small { margin-left: 4px; font-size: 0.38em; }
.disclaimer { max-width: 920px; margin: 22px 0 0; color: var(--muted); font-size: 11px; line-height: 1.8; }

.section-flow { background: var(--surface); }
.flow-shell { max-width: 1020px; }
.phase-heading { display: flex; align-items: center; gap: 12px; margin: 36px 0 14px; }
.phase-heading > span { color: var(--brand-ink); font-size: 9px; font-weight: 900; letter-spacing: 0.13em; }
.phase-heading > strong { font-size: 15px; }
.phase-heading > small { margin-left: auto; padding: 3px 8px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); color: var(--muted); font-size: 9px; font-weight: 800; }
.prep-flow { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; margin: 0; padding: 28px 0 0; list-style: none; }
.prep-flow::before { content: ""; position: absolute; z-index: 0; top: 118px; left: 15%; right: 15%; height: 4px; border-radius: 999px; background: var(--brand); }
.prep-flow::after { content: ""; position: absolute; z-index: 0; top: 110px; right: 14.5%; width: 16px; height: 16px; border-top: 4px solid var(--brand); border-right: 4px solid var(--brand); transform: rotate(45deg); }
.prep-step { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; text-align: center; }
.prep-node { width: 104px; height: 104px; display: grid; place-content: center; gap: 3px; border: 3px solid var(--brand); border-radius: 50%; background: var(--dark); box-shadow: 0 0 0 10px var(--dark); }
.prep-node small { color: var(--brand); font-size: 9px; font-weight: 900; letter-spacing: 0.16em; }
.prep-node b { color: var(--light); font-size: 34px; line-height: 1; letter-spacing: -0.04em; }
.prep-copy { width: 100%; min-height: 150px; margin-top: 30px; padding: 26px 20px 22px; border-top: 1px solid var(--dark-line); background: linear-gradient(180deg, var(--dark-surface), color-mix(in srgb, var(--dark-surface) 50%, transparent)); }
.prep-flow .role { min-height: 30px; margin-bottom: 14px; padding-inline: 14px; box-shadow: 0 0 0 7px var(--dark); font-size: 10px; }
.cycle-node > b, .decision-node > b { display: block; margin: 20px 0 4px; color: var(--brand-ink); font-size: 11px; }
.prep-flow h3, .cycle-node h3, .decision-node h3 { margin: 0; font-size: 17px; line-height: 1.55; }
.prep-flow p, .cycle-node p { margin: 10px 0 0; color: var(--muted); font-size: 11px; }
.role { display: inline-flex; align-items: center; min-height: 23px; padding: 3px 8px; border-radius: var(--radius-sm); font-size: 9px; font-weight: 900; }
.role-client { background: var(--brand); color: var(--dark); }
.role-singi { background: var(--dark); color: var(--light); }
.role-both { border: 1px solid var(--line-strong); color: var(--ink-soft); }
.flow-down { margin: 16px 0; text-align: center; color: var(--brand-ink); font-size: 22px; }
.phase-heading-cycle > small { background: var(--brand); border-color: var(--brand); color: var(--dark); }
.cycle-flow { padding: 22px; border: 2px solid var(--brand); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--brand) 5%, var(--page)); }
.cycle-node, .decision-node { max-width: 720px; margin-inline: auto; }
.cycle-arrow { display: block; margin: 8px 0; text-align: center; color: var(--brand-ink); font-style: normal; font-size: 18px; }
.decision-node { border-style: dashed; border-color: var(--line-strong); }
.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.decision-grid div { padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.decision-grid div:first-child { border-color: var(--brand); background: var(--brand-soft); }
.decision-grid span, .decision-grid strong, .decision-grid small { display: block; }
.decision-grid span { color: var(--brand-ink); font-size: 9px; font-weight: 900; }
.decision-grid strong { margin-top: 4px; font-size: 12px; }
.decision-grid small { margin-top: 3px; color: var(--muted); font-size: 9px; }
.loop-bar { max-width: 720px; display: flex; align-items: center; gap: 12px; margin: 16px auto 0; padding: 13px 16px; border-radius: var(--radius); background: var(--brand); color: var(--dark); font-size: 12px; }
.loop-bar > span { font-size: 19px; }
.backlog-band { display: flex; align-items: center; gap: 16px; margin-top: 18px; padding: 18px 22px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--page); }
.backlog-band > span { color: var(--brand-ink); font-size: 22px; }
.backlog-band p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.backlog-band strong { color: var(--ink); }
.optional-flow { display: grid; grid-template-columns: 150px 1fr; gap: 18px; margin-top: 12px; padding: 16px 20px; border: 1px dashed var(--line); border-radius: var(--radius); }
.optional-flow span { color: var(--brand-ink); font-size: 10px; font-weight: 900; }
.optional-flow p { margin: 0; color: var(--muted); font-size: 11px; }

.closing { padding-block: 122px; background: var(--dark); color: var(--light); text-align: center; }
.closing-inner { max-width: 940px; }
.closing h2 mark { position: relative; }
.closing-inner > p:not(.eyebrow) { max-width: 760px; margin: 28px auto 0; color: var(--light-soft); }
.button-closing { margin-top: 38px; }
.closing small { display: block; margin-top: 16px; color: var(--light-soft); font-size: 10px; }

.site-footer { padding-block: 68px 28px; background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 80px; }
.wordmark-footer { margin-bottom: 18px; }
.footer-grid > div > p { margin: 0; color: var(--muted); font-size: 12px; }
.footer-grid dl { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 36px; margin: 0; }
.footer-grid dl div { border-top: 1px solid var(--line); padding-top: 12px; }
.footer-grid dt { color: var(--muted); font-size: 10px; }
.footer-grid dd { margin: 3px 0 0; font-size: 12px; font-weight: 700; }
.footer-grid dd a { text-underline-offset: 3px; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }

@media (max-width: 1020px) {
  .header-nav { display: none; }
  .header-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 52px; padding-block: 64px; }
  .hero-copy { max-width: 820px; }
  .product-stage { max-width: 720px; width: 100%; margin-inline: auto; }
  .approach-grid, .revenue-grid { grid-template-columns: 1fr; gap: 56px; }
  .sticky-heading { position: static; }
  .problem-grid, .benefit-grid { grid-template-columns: 1fr; }
  .problem-grid li { min-height: 0; }
  .benefit-icon { margin-bottom: 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .stats-grid article:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 720px) {
  :root { --header-height: 66px; }
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .header-inner { gap: 14px; }
  .wordmark-main { font-size: 18px; }
  .wordmark-by { font-size: 8px; }
  .button-small { min-height: 38px; padding: 8px 10px; }
  .hero-grid { min-height: auto; padding-block: 48px 58px; }
  .hero h1 { font-size: clamp(40px, 12vw, 56px); }
  .hero h1 mark { white-space: normal; }
  .hero-lead { font-size: 15px; }
  .product-stage { padding: 20px 0 0 10px; }
  .product-topbar, .product-summary div { padding-inline: 14px; }
  .status-dot { display: none; }
  .task-list li { grid-template-columns: 24px 1fr; gap: 8px; padding-inline: 12px; }
  .task-chip { grid-column: 2; justify-self: start; }
  .product-cycle { flex-wrap: wrap; }
  .product-cycle i { display: none; }
  .stage-caption { width: 84%; }
  .section { padding-block: 76px; }
  .section-heading { margin-bottom: 38px; }
  .section h2, .closing h2 { font-size: clamp(30px, 9vw, 42px); }
  .split-heading { grid-template-columns: 1fr; gap: 24px; }
  .approach-steps article { grid-template-columns: 1fr; gap: 8px; padding: 26px 0; }
  .approach-steps article > span { margin-bottom: 8px; }
  .revenue-model { grid-template-columns: 1fr; }
  .model-before, .model-after { min-height: 220px; }
  .model-arrow { transform: rotate(90deg); text-align: center; }
  .prep-flow { grid-template-columns: 1fr; gap: 0; padding: 4px 0 0 70px; }
  .prep-flow::before { top: 48px; bottom: 48px; left: 30px; right: auto; width: 3px; height: auto; }
  .prep-flow::after { top: auto; right: auto; bottom: 44px; left: 23px; transform: rotate(135deg); }
  .prep-step { min-width: 0; display: grid; grid-template-columns: 1fr; justify-items: start; padding: 18px 0 26px; text-align: left; }
  .prep-flow .role { margin: 0 0 10px; box-shadow: none; }
  .prep-node { position: absolute; top: 24px; left: -70px; width: 62px; height: 62px; border-width: 2px; box-shadow: 0 0 0 7px var(--dark); }
  .prep-node small { font-size: 7px; }
  .prep-node b { font-size: 22px; }
  .prep-copy { min-height: 0; margin: 0; padding: 20px; border-top: 0; border-left: 2px solid var(--brand); }
  .decision-grid { grid-template-columns: 1fr 1fr; }
  .optional-flow { grid-template-columns: 1fr; gap: 4px; }
  .closing { padding-block: 82px; }
  .footer-grid { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 480px) {
  .header-actions .button-small { font-size: 0; gap: 0; }
  .header-actions .button-small span { font-size: 15px; }
  .button-primary { width: 100%; }
  .trust-line { display: grid; gap: 5px; }
  .trust-line span + span::before { display: none; }
  .product-summary { grid-template-columns: 1fr; }
  .product-summary div + div { border-left: 0; border-top: 1px solid var(--dark-line); }
  .product-cycle { justify-content: flex-start; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-grid article { min-height: 180px; }
  .stats-grid article + article { border-left: 0; border-top: 1px solid var(--line); }
  .decision-grid { grid-template-columns: 1fr; }
  .footer-grid dl { grid-template-columns: 1fr; }
  .footer-bottom { display: grid; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}

/* ====================================
   JOSEKI LP — Bold editorial direction
   選定モックの巨大タイポ／黒黄コントラストを全体へ展開
   ==================================== */
.site-header {
  background: color-mix(in srgb, var(--dark) 92%, transparent);
  border-bottom-color: var(--dark-line);
  color: var(--light);
}
.site-header .wordmark-by,
.site-header .header-nav a { color: var(--light-soft); }
.site-header .header-nav a:hover { color: var(--brand); }
.site-header .button-small { border-color: var(--brand); background: var(--brand); color: var(--dark); }

.hero { background: var(--dark); color: var(--light); border-bottom-color: var(--brand); }
.hero::before { height: 3px; background: var(--brand); }
.hero-grid {
  width: min(calc(100% - 48px), 1440px);
  min-height: calc(100vh - var(--header-height));
  grid-template-columns: minmax(0, 1.03fr) minmax(500px, 0.97fr);
  gap: 26px;
  padding-block: 46px 68px;
}
.hero-copy { position: relative; z-index: 4; }
.pill {
  margin-bottom: 24px; padding: 8px 14px;
  border: 0; background: var(--brand); color: var(--dark);
  font-size: 12px; letter-spacing: 0.04em;
}
.hero h1 { font-size: clamp(56px, 5.9vw, 92px); line-height: 0.99; letter-spacing: -0.065em; }
.hero h1 > span { display: block; width: max-content; max-width: 100%; }
.hero h1 .hero-highlight { margin-block: 9px; padding: 0.02em 0.1em 0.1em; background: var(--brand); color: var(--dark); }
.hero-subtitle {
  width: fit-content; margin: 26px 0 0; padding-block: 12px;
  border-top: 2px solid var(--brand); border-bottom: 2px solid var(--brand);
  color: var(--light); font-size: clamp(20px, 2vw, 30px); font-weight: 900; letter-spacing: 0.03em;
}
.hero-lead { max-width: 50em; margin-top: 24px; color: var(--light-soft); font-size: 14px; line-height: 1.85; }
.hero-detail { max-width: 50em; color: var(--muted); font-size: 12px; }
.hero-actions { margin-top: 24px; }
.hero .button-primary { min-height: 60px; min-width: min(100%, 430px); font-size: 16px; }
.hero .cta-note { max-width: 520px; color: var(--light-soft); }
.hero .cta-note strong { color: var(--brand); }
.hero .trust-line { margin-top: 22px; padding-top: 14px; border-top-color: var(--dark-line); }
.hero .trust-line span { color: var(--light-soft); }
.hero .trust-line span + span::before { color: var(--dark-line); }

.product-stage { min-height: 720px; padding: 36px 0 180px 30px; perspective: 1200px; }
.product-stage::before { top: 12px; left: 18px; width: 86%; height: 58%; background: transparent; border: 1px solid var(--dark-line); transform: rotate(-2deg); }
.product-window { transform: rotate(-2.3deg) translateY(14px); transform-origin: 70% 10%; border-color: var(--line-strong); background: var(--dark-surface); box-shadow: 0 36px 90px rgb(0 0 0 / 0.58); }
.product-topbar { padding-block: 18px; }
.product-summary div { padding-block: 14px; }
.product-panel { margin: 14px; }
.task-list li { grid-template-columns: 28px minmax(0, 1fr) 58px auto; padding-block: 12px; }
.task-impact { display: flex; gap: 4px; justify-content: flex-end; }
.task-impact i { width: 7px; height: 7px; border: 1px solid var(--line-strong); border-radius: 50%; }
.task-impact i:nth-child(-n+3) { border-color: var(--brand); background: var(--brand); }
.task-list li:nth-child(n+3) .task-impact i:nth-child(3) { background: transparent; border-color: var(--line-strong); }
.product-cycle { padding-bottom: 16px; }
.hero-orbit {
  position: absolute; z-index: 5; left: -76px; bottom: 28px;
  width: 230px; height: 230px; border: 5px solid var(--brand); border-radius: 50%;
  box-shadow: inset 0 0 0 12px var(--dark), 0 20px 50px rgb(0 0 0 / 0.45);
}
.hero-orbit::after { content: "↻"; position: absolute; right: 2px; bottom: 25px; color: var(--brand); font-size: 30px; font-weight: 900; }
.orbit-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; color: var(--light); font-size: 12px; font-weight: 700; line-height: 1.35; }
.orbit-center strong { display: block; color: var(--brand); font-size: 20px; }
.orbit-item {
  position: absolute; width: 74px; height: 74px; display: grid; place-content: center;
  border: 4px solid var(--dark); border-radius: 50%; background: var(--light); color: var(--dark);
  text-align: center; font-size: 9px; font-weight: 800; line-height: 1.25;
}
.orbit-item b { display: block; color: var(--brand-ink); font-size: 8px; }
.orbit-item-1 { top: -36px; left: 74px; }
.orbit-item-2 { top: 72px; right: -38px; }
.orbit-item-3 { bottom: -38px; left: 76px; }
.orbit-item-4 { top: 72px; left: -38px; }
.stage-caption { position: absolute; right: -8px; bottom: 36px; width: 52%; border-radius: var(--radius); }

.section { position: relative; overflow: hidden; }
.section h2, .closing h2 { font-size: clamp(38px, 4.5vw, 62px); }
.section-problem { background: var(--light); color: var(--dark); }
.section-problem .heading-aside,
.section-problem .problem-grid p { color: var(--editorial-dark-soft); }
.revenue-gap { margin: -8px 0 38px; padding: 28px; border: 1px solid var(--dark); border-radius: var(--radius); background: var(--dark); color: var(--light); }
.gap-label { display: grid; grid-template-columns: 0.85fr 1.5fr 0.55fr 1fr; margin-bottom: 8px; color: var(--light-soft); font-size: 9px; font-weight: 800; letter-spacing: 0.08em; }
.gap-track { display: grid; grid-template-columns: 0.85fr 1.5fr 0.55fr 1fr; min-height: 82px; align-items: end; gap: 5px; }
.gap-block, .gap-drop { display: grid; place-items: center; height: 68px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 900; }
.gap-block-1 { background: var(--surface-strong); color: var(--dark); }
.gap-block-2 { height: 82px; background: var(--brand); color: var(--dark); }
.gap-block-3 { height: 50px; border: 1px solid var(--brand); color: var(--brand); }
.gap-drop { height: 16px; border-top: 2px dashed var(--light-soft); border-radius: 0; color: var(--light-soft); place-items: start center; padding-top: 8px; }
.revenue-gap > p { margin: 22px 0 0; text-align: right; color: var(--light-soft); font-size: 12px; }
.revenue-gap > p strong { color: var(--brand); }
.problem-grid { gap: 0; border-top: 1px solid var(--dark); border-bottom: 1px solid var(--dark); }
.problem-grid li { min-height: 250px; border: 0; border-radius: 0; box-shadow: none; background: transparent; }
.problem-grid li + li { border-left: 1px solid var(--dark); }
.problem-grid h3 { font-size: 24px; }
.problem-answer { width: fit-content; max-width: 100%; padding: 16px 22px; background: var(--brand); color: var(--dark); }

.section-approach { background: var(--dark); color: var(--light); }
.section-approach .eyebrow { color: var(--brand); }
.section-approach .sticky-heading > p:last-child { color: var(--light-soft); }
.approach-steps { border-top-color: var(--dark-line); }
.approach-steps article {
  position: relative; grid-template-columns: 88px 72px 0.55fr 1fr; gap: 18px;
  margin-bottom: 12px; padding: 24px; border: 1px solid var(--dark-line); border-radius: var(--radius); background: var(--dark-surface);
}
.approach-steps article::after { content: "↓"; position: absolute; left: 50%; bottom: -23px; z-index: 2; color: var(--brand); font-weight: 900; }
.approach-steps article:last-child::after { content: "↻ 次の改善へ"; left: auto; right: 20px; bottom: -34px; padding: 5px 10px; background: var(--brand); color: var(--dark); font-size: 10px; }
.approach-steps article > span { color: var(--brand); }
.step-symbol { width: 54px; height: 54px; display: grid; place-content: center; border-radius: 50%; background: var(--brand); color: var(--dark); font-size: 25px; }
.approach-steps p { color: var(--light-soft); }

.section-trial { background: var(--brand); color: var(--dark); }
.section-trial .eyebrow { color: var(--dark); }
.section-trial .eyebrow::before { background: var(--dark); }
.section-trial .benefit-grid p { color: var(--editorial-dark-soft); }
.benefit-grid { gap: 10px; }
.benefit-grid article { position: relative; min-height: 390px; overflow: hidden; border-color: var(--dark); background: var(--light); color: var(--dark); }
.benefit-icon { position: relative; z-index: 2; margin-bottom: 16px; box-shadow: none; background: var(--dark); color: var(--light); }
.benefit-visual { height: 126px; display: flex; align-items: end; justify-content: center; gap: 10px; margin: 0 -32px 28px; padding-inline: 32px; border-bottom: 1px solid var(--dark); }
.benefit-visual i { display: block; font-style: normal; }
.benefit-visual-free i { width: 20%; background: var(--brand); border: 1px solid var(--dark); }
.benefit-visual-free i:nth-child(1) { height: 28%; }
.benefit-visual-free i:nth-child(2) { height: 55%; }
.benefit-visual-free i:nth-child(3) { height: 88%; background: var(--dark); }
.benefit-visual-team i { width: 64px; height: 64px; border: 2px solid var(--dark); border-radius: 50% 50% 14px 14px; background: var(--brand); }
.benefit-visual-team i:nth-child(2) { height: 92px; background: var(--dark); }
.benefit-visual-months { align-items: center; }
.benefit-visual-months i { width: 64px; height: 64px; display: grid; place-content: center; border: 2px solid var(--dark); border-radius: 50%; font-size: 22px; font-weight: 900; }
.benefit-visual-months i + i { position: relative; }
.benefit-visual-months i + i::before { content: "→"; position: absolute; left: -20px; top: 13px; font-size: 16px; }
.benefit-grid h3 { font-size: 22px; }

.section-revenue { border-top: 1px solid var(--brand); }
.model-before, .model-after { min-height: 340px; }
.model-before { transform: rotate(-2deg); }
.model-after { transform: rotate(2deg); box-shadow: 0 24px 70px rgb(255 199 0 / 0.18); }
.model-loop i { height: 13px; }

.section-results { background: var(--light); color: var(--dark); }
.section-results .heading-aside,
.section-results .stat-label,
.section-results .disclaimer { color: var(--editorial-dark-soft); }
.stats-grid { border-color: var(--dark); }
.stats-grid article { position: relative; overflow: hidden; min-height: 300px; background: var(--light); }
.stats-grid article + article { border-left-color: var(--dark); }
.stat-bars { height: 110px; display: flex; align-items: end; gap: 5px; margin-top: 22px; }
.stat-bars i { flex: 1; height: 22%; background: var(--surface-strong); border-top: 2px solid var(--dark); }
.stat-bars i:nth-child(2) { height: 31%; }
.stat-bars i:nth-child(3) { height: 52%; }
.stat-bars i:nth-child(4) { height: 68%; }
.stat-bars i:nth-child(5) { height: 88%; background: var(--brand); }
.stat-bars-2 i:nth-child(3) { height: 40%; }
.stat-bars-2 i:nth-child(4) { height: 73%; }
.stat-bars-2 i:nth-child(5) { height: 96%; }
.stat-bars-3 i:nth-child(2) { height: 42%; }
.stat-bars-3 i:nth-child(4) { height: 64%; }
.stat-bars-4 i:nth-child(3) { height: 46%; }
.stat-bars-4 i:nth-child(5) { height: 75%; }
.stats-grid strong { position: absolute; right: 24px; bottom: 24px; text-shadow: 0 0 20px var(--light); }
.stats-grid strong b { color: var(--dark); }

.section-flow { background: var(--dark); color: var(--light); }
.section-flow .centered-heading > p:last-child { color: var(--light-soft); }
.section-flow .eyebrow { color: var(--brand); }
.section-flow .phase-heading > span { color: var(--brand); }
.section-flow .phase-heading > small { border-color: var(--dark-line); color: var(--light-soft); }
.section-flow .cycle-node,
.section-flow .decision-node { border-color: var(--dark-line); background: var(--dark-surface); color: var(--light); }
.section-flow .flow-down,
.section-flow .cycle-arrow { color: var(--brand); }
.section-flow .cycle-node > b,
.section-flow .decision-node > b { color: var(--brand); }
.section-flow .prep-flow p,
.section-flow .cycle-node p { color: var(--light-soft); }
.section-flow .role-client,
.section-flow .role-singi { background: var(--light); color: var(--dark); }
.section-flow .role-both { border-color: var(--brand); background: var(--brand); color: var(--dark); }
.section-flow .cycle-flow { border-color: var(--brand); background: var(--dark); }
.section-flow .decision-grid div { border-color: var(--dark-line); background: var(--dark); }
.section-flow .decision-grid div:first-child { border-color: var(--brand); background: var(--brand); color: var(--dark); }
.section-flow .decision-grid div:first-child span,
.section-flow .decision-grid div:first-child small { color: var(--dark); }
.section-flow .decision-grid strong { color: inherit; }
.section-flow .backlog-band { border-color: var(--light-soft); background: var(--dark-surface); }
.section-flow .backlog-band > span { color: var(--brand); }
.section-flow .backlog-band p { color: var(--light-soft); }
.section-flow .backlog-band strong { color: var(--light); }
.section-flow .optional-flow { border-color: var(--dark-line); }
.section-flow .optional-flow span { color: var(--brand); }
.section-flow .optional-flow p { color: var(--light-soft); }

.closing { background: var(--brand); color: var(--dark); text-align: left; }
.closing-inner { max-width: 1180px; }
.closing .eyebrow { color: var(--dark); }
.closing .eyebrow::before { background: var(--dark); }
.closing h2 { font-size: clamp(48px, 6.4vw, 92px); line-height: 1.1; }
.closing h2 mark { display: inline; color: var(--light); background: var(--dark); box-decoration-break: clone; padding-inline: 0.08em; }
.closing-inner > p:not(.eyebrow) { max-width: 760px; margin-left: 0; color: var(--dark); }
.closing .button-closing { border-color: var(--dark); background: var(--dark); color: var(--light); }
.closing small { color: var(--dark); opacity: 0.72; }
.site-footer { background: var(--dark); color: var(--light); }
.site-footer .wordmark-by,
.footer-grid > div > p,
.footer-grid dt,
.footer-bottom { color: var(--light-soft); }
.footer-grid dl div,
.footer-bottom { border-color: var(--dark-line); }

@media (max-width: 1120px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 880px; }
  .product-stage { max-width: 820px; margin-inline: auto; }
  .hero-orbit { left: -30px; }
}

@media (max-width: 720px) {
  .pill { box-shadow: none; font-size: 9px; }
  .hero h1 { font-size: clamp(42px, 13.5vw, 64px); }
  .hero h1 > span { width: auto; }
  .hero-subtitle { font-size: 18px; }
  .product-stage { min-height: 660px; padding: 18px 0 210px; }
  .product-window { transform: rotate(-1.2deg); }
  .task-list li { grid-template-columns: 22px 1fr auto; }
  .task-impact { display: none; }
  .hero-orbit { left: 50%; bottom: 12px; width: 190px; height: 190px; transform: translateX(-50%); }
  .orbit-item { width: 62px; height: 62px; font-size: 8px; }
  .orbit-item-1 { top: -31px; left: 61px; }
  .orbit-item-2 { top: 60px; right: -32px; }
  .orbit-item-3 { bottom: -32px; left: 62px; }
  .orbit-item-4 { top: 60px; left: -32px; }
  .orbit-center strong { font-size: 16px; }
  .stage-caption { display: none; }
  .gap-label { display: none; }
  .gap-track { grid-template-columns: 1fr; align-items: stretch; }
  .gap-block, .gap-drop { height: auto; min-height: 48px; }
  .gap-block-2 { min-height: 76px; }
  .gap-drop { padding: 12px; }
  .problem-grid li + li { border-left: 0; border-top: 1px solid var(--dark); }
  .approach-steps article { grid-template-columns: 1fr; }
  .step-symbol { margin-block: 4px 12px; }
  .benefit-grid article { min-height: auto; }
  .benefit-visual { margin-bottom: 22px; }
  .stats-grid article:nth-child(3), .stats-grid article:nth-child(4) { border-top-color: var(--dark); }
  .closing h2 { font-size: clamp(42px, 12vw, 66px); }
}

@media (max-width: 480px) {
  .product-summary { display: none; }
  .product-topbar { padding-block: 14px; }
  .product-panel { margin: 10px; }
  .task-list li { padding: 10px; }
  .task-list small { display: none; }
  .product-cycle { display: none; }
  .hero .button-primary { min-width: 0; }
  .revenue-gap { padding: 18px; }
  .benefit-visual-months i { width: 52px; height: 52px; }
}

/* Body explanation visuals */
.method-story { display: grid; gap: 18px; margin-top: 84px; }
.method-panel {
  display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr); gap: 54px; align-items: center;
  min-height: 430px; padding: 46px; border: 1px solid var(--dark-line); border-radius: var(--radius); background: var(--dark-surface);
}
.method-number { display: block; margin-bottom: 18px; color: var(--brand); font-size: 10px; font-weight: 900; letter-spacing: 0.12em; }
.method-copy h3 { margin: 0 0 18px; color: var(--light); font-size: clamp(28px, 3vw, 44px); line-height: 1.28; letter-spacing: -0.035em; }
.method-copy p { margin: 0; color: var(--light-soft); font-size: 14px; line-height: 1.9; }

.body-orbit { position: relative; width: 310px; height: 310px; margin: 38px auto; border: 5px solid var(--brand); border-radius: 50%; }
.body-orbit::after { content: "↻"; position: absolute; right: 5px; bottom: 32px; color: var(--brand); font-size: 36px; font-weight: 900; }
.body-orbit-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; color: var(--light); font-size: 13px; font-weight: 700; }
.body-orbit-center strong { display: block; color: var(--brand); font-size: 24px; }
.body-orbit-item {
  position: absolute; width: 88px; height: 88px; display: grid; place-content: center;
  border: 5px solid var(--dark-surface); border-radius: 50%; background: var(--light); color: var(--dark);
  text-align: center; font-size: 10px; font-weight: 900; line-height: 1.3;
}
.body-orbit-item b { display: block; color: var(--brand-ink); font-size: 9px; }
.body-orbit-item-1 { top: -44px; left: 106px; }
.body-orbit-item-2 { top: 108px; right: -46px; }
.body-orbit-item-3 { bottom: -46px; left: 108px; }
.body-orbit-item-4 { top: 108px; left: -46px; }

.method-task-list { margin: 0; padding: 16px; list-style: none; border: 1px solid var(--dark-line); border-radius: var(--radius-sm); background: var(--dark); }
.method-task-list li { display: grid; grid-template-columns: 34px 1fr auto; gap: 16px; align-items: center; padding: 20px 16px; border-bottom: 1px solid var(--dark-line); }
.method-task-list li:last-child { border-bottom: 0; }
.method-task-list b { color: var(--brand); font-size: 12px; }
.method-task-list span { display: grid; gap: 4px; }
.method-task-list strong { color: var(--light); font-size: 14px; }
.method-task-list small { color: var(--light-soft); font-size: 10px; }
.method-task-list i { padding: 6px 9px; border: 1px solid var(--brand); border-radius: 999px; color: var(--brand); font-size: 9px; font-style: normal; font-weight: 900; }

.revenue-model-note { margin: 18px 0 0; padding: 22px 24px; border-left: 3px solid var(--brand); background: var(--dark-surface); }
.revenue-model-note strong, .revenue-model-note span { display: block; }
.revenue-model-note strong { margin-bottom: 8px; color: var(--brand); font-size: 11px; letter-spacing: 0.06em; }
.revenue-model-note span { color: var(--light-soft); font-size: 12px; line-height: 1.75; }

/* Selected metrics direction B: unified chart */
.results-dashboard { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.75fr); border: 1px solid var(--dark); background: var(--dark); color: var(--light); }
.dashboard-chart { min-height: 520px; padding: 34px; border-right: 1px solid var(--dark-line); }
.dashboard-chart-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--dark-line); }
.dashboard-chart-head div { display: grid; gap: 6px; }
.dashboard-chart-head span { color: var(--brand); font-size: 9px; font-weight: 900; letter-spacing: 0.14em; }
.dashboard-chart-head strong { font-size: 18px; }
.dashboard-chart-head small { color: var(--light-soft); font-size: 9px; }
.chart-canvas { position: relative; height: 360px; margin-top: 28px; overflow: hidden; border-bottom: 1px solid var(--dark-line); }
.chart-guide { position: absolute; z-index: 0; left: 0; right: 0; border-top: 1px solid var(--dark-line); }
.chart-guide-1 { top: 24%; }.chart-guide-2 { top: 48%; }.chart-guide-3 { top: 72%; }
.chart-bars { position: absolute; inset: 10px 8px 36px; display: flex; align-items: end; gap: 7px; }
.chart-bars i { flex: 1; height: 18%; background: color-mix(in srgb, var(--brand) 38%, transparent); border-top: 2px solid var(--brand); }
.chart-bars i:nth-child(2) { height: 23%; }.chart-bars i:nth-child(3) { height: 29%; }.chart-bars i:nth-child(4) { height: 36%; }
.chart-bars i:nth-child(5) { height: 41%; }.chart-bars i:nth-child(6) { height: 48%; }.chart-bars i:nth-child(7) { height: 55%; }
.chart-bars i:nth-child(8) { height: 58%; }.chart-bars i:nth-child(9) { height: 67%; }.chart-bars i:nth-child(10) { height: 72%; }
.chart-bars i:nth-child(11) { height: 81%; }.chart-bars i:nth-child(12) { height: 94%; background: var(--brand); }
.chart-line { position: absolute; z-index: 2; inset: 24px 30px 62px; }
.chart-line i { position: absolute; width: 9px; height: 9px; border: 2px solid var(--dark); border-radius: 50%; background: var(--brand); }
.chart-line i::after { content: ""; position: absolute; left: 5px; top: 2px; width: 74px; height: 3px; transform-origin: left center; background: var(--brand); }
.chart-line i:nth-child(1) { left: 0; top: 75%; }.chart-line i:nth-child(1)::after { transform: rotate(-9deg); }
.chart-line i:nth-child(2) { left: 14%; top: 62%; }.chart-line i:nth-child(2)::after { transform: rotate(-4deg); }
.chart-line i:nth-child(3) { left: 28%; top: 57%; }.chart-line i:nth-child(3)::after { transform: rotate(-12deg); }
.chart-line i:nth-child(4) { left: 42%; top: 40%; }.chart-line i:nth-child(4)::after { transform: rotate(-5deg); }
.chart-line i:nth-child(5) { left: 56%; top: 34%; }.chart-line i:nth-child(5)::after { transform: rotate(-10deg); }
.chart-line i:nth-child(6) { left: 70%; top: 21%; }.chart-line i:nth-child(6)::after { transform: rotate(-5deg); }
.chart-line i:nth-child(7) { left: 84%; top: 15%; }.chart-line i:nth-child(7)::after { width: 54px; transform: rotate(-13deg); }
.chart-line i:nth-child(8) { right: 0; top: 0; }.chart-line i:nth-child(8)::after { display: none; }
.chart-axis { position: absolute; left: 0; right: 0; bottom: 10px; display: flex; justify-content: space-between; color: var(--light-soft); font-size: 9px; }
.dashboard-kpis { display: grid; grid-template-columns: 1fr; }
.dashboard-kpis article { min-height: 128px; display: flex; align-items: end; justify-content: space-between; gap: 14px; padding: 24px; border-bottom: 1px solid var(--dark-line); }
.dashboard-kpis article:last-child { border-bottom: 0; }
.dashboard-kpis span { max-width: 11em; color: var(--light-soft); font-size: 11px; line-height: 1.5; }
.dashboard-kpis strong { color: var(--light); font-size: 40px; line-height: 1; letter-spacing: -0.05em; }
.dashboard-kpis strong b { margin-right: 2px; color: var(--brand); font-size: 0.55em; }
.dashboard-kpis strong small { margin-left: 2px; font-size: 0.42em; }

@media (max-width: 960px) {
  .method-panel { grid-template-columns: 1fr; }
  .results-dashboard { grid-template-columns: 1fr; }
  .dashboard-chart { border-right: 0; border-bottom: 1px solid var(--dark-line); }
  .dashboard-kpis { grid-template-columns: 1fr 1fr; }
  .dashboard-kpis article:nth-child(odd) { border-right: 1px solid var(--dark-line); }
  .revenue-model-note { grid-column: 1; margin-top: 0; }
}

@media (max-width: 720px) {
  .product-stage { min-height: auto; padding: 18px 0 42px; }
  .method-story { margin-top: 54px; }
  .method-panel { min-height: auto; padding: 26px 20px; gap: 36px; }
  .body-orbit { width: 220px; height: 220px; margin-block: 42px; }
  .body-orbit-item { width: 68px; height: 68px; border-width: 4px; font-size: 8px; }
  .body-orbit-item-1 { top: -34px; left: 72px; }.body-orbit-item-2 { top: 74px; right: -36px; }
  .body-orbit-item-3 { bottom: -36px; left: 74px; }.body-orbit-item-4 { top: 74px; left: -36px; }
  .body-orbit-center strong { font-size: 18px; }
  .method-task-list { padding: 8px; }
  .method-task-list li { grid-template-columns: 24px 1fr; gap: 10px; padding: 16px 10px; }
  .method-task-list i { grid-column: 2; width: fit-content; }
  .dashboard-chart { min-height: 430px; padding: 22px 16px; }
  .chart-canvas { height: 290px; }
  .chart-line { display: none; }
  .chart-bars { gap: 4px; }
  .dashboard-kpis { grid-template-columns: 1fr; }
  .dashboard-kpis article:nth-child(odd) { border-right: 0; }
  .dashboard-kpis article { min-height: 104px; }
}

/* Selected problem direction C: one-off vs continuous */
.revenue-compare { margin: -8px 0 38px; padding: 30px; border: 1px solid var(--dark); border-radius: var(--radius); background: var(--dark); color: var(--light); }
.compare-row { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 28px; align-items: center; padding: 24px 0; }
.compare-row + .compare-row { border-top: 1px solid var(--dark-line); }
.compare-title { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; align-items: baseline; }
.compare-title span { padding: 4px 7px; background: var(--light); color: var(--dark); font-size: 9px; font-weight: 900; }
.compare-title strong { font-size: 20px; }
.compare-title small { grid-column: 1 / -1; margin-top: 5px; color: var(--light-soft); font-size: 10px; }
.compare-track { position: relative; display: grid; grid-template-columns: 0.75fr 1fr 58px minmax(250px, 1.4fr); min-height: 82px; align-items: center; }
.compare-track > span { min-height: 62px; display: grid; place-items: center; font-size: 11px; font-weight: 900; }
.compare-sales { border-radius: var(--radius-sm) 0 0 var(--radius-sm); background: var(--light); color: var(--dark); }
.compare-build { background: var(--brand); color: var(--dark); }
.compare-delivery { position: relative; z-index: 2; display: grid; place-items: center; min-height: 48px; border: 1px solid var(--brand); color: var(--brand); font-size: 10px; }
.compare-delivery::after { content: ""; position: absolute; top: 100%; left: 50%; height: 20px; border-left: 1px dashed var(--light-soft); }
.compare-post { min-height: 62px; margin-left: 10px; }
.compare-post-ended { display: grid; place-content: center; gap: 4px; border-top: 2px dashed var(--light-soft); color: var(--light-soft); text-align: center; }
.compare-post-ended i { font-size: 10px; font-style: normal; font-weight: 900; }
.compare-post-ended small { font-size: 8px; }
.compare-post-active { display: grid; grid-template-columns: repeat(3, minmax(58px, 1fr) 20px); align-items: center; overflow: hidden; border: 2px solid var(--brand); border-radius: var(--radius-sm); background: var(--brand); color: var(--dark); }
.compare-post-active > small { grid-column: 1 / -1; padding: 5px 8px; border-bottom: 1px solid var(--dark); color: var(--dark); text-align: center; font-size: 8px; font-weight: 900; letter-spacing: 0.06em; }
.compare-cycle { min-height: 40px; display: grid; place-items: center; background: var(--brand); color: var(--dark); font-size: 10px; font-weight: 900; }
.compare-post-active em { color: var(--dark); text-align: center; font-size: 13px; font-style: normal; font-weight: 900; }
.revenue-compare > p { margin: 20px 0 0; padding-top: 20px; border-top: 1px dotted var(--dark-line); color: var(--light-soft); text-align: right; font-size: 12px; }
.revenue-compare > p strong { color: var(--brand); }

/* Selected free-monitor direction B: three-month experience flow */
.trial-flow { overflow: hidden; border: 1px solid var(--dark); border-radius: var(--radius); background: var(--dark); color: var(--light); }
.trial-badges { display: flex; justify-content: center; gap: 14px; padding: 22px; border-bottom: 1px solid var(--dark-line); }
.trial-badges span { min-width: 220px; padding: 12px 18px; border: 1px solid var(--brand); border-radius: var(--radius-sm); color: var(--light-soft); text-align: center; font-size: 11px; }
.trial-badges strong { margin-left: 8px; color: var(--brand); font-size: 20px; }
.trial-steps { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; }
.trial-steps li { position: relative; min-height: 390px; padding: 36px 30px 30px; background: var(--light); color: var(--dark); text-align: center; }
.trial-steps li + li { border-left: 1px solid var(--dark); }
.trial-steps li:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 50%; right: -18px; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--dark); border-radius: 50%; background: var(--brand); color: var(--dark); font-size: 16px; font-weight: 900; }
.trial-step-number { width: 42px; height: 42px; display: grid; place-items: center; margin: 0 auto 16px; border-radius: 50%; background: var(--brand); color: var(--dark); font-size: 18px; font-weight: 900; }
.trial-steps h3 { margin: 0; font-size: 22px; }
.trial-steps p { max-width: 25em; margin: 20px auto 0; color: var(--editorial-dark-soft); font-size: 12px; line-height: 1.75; }
.trial-step-visual { width: 160px; height: 110px; position: relative; margin: 28px auto 0; }
.trial-url-card { display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border: 2px solid var(--dark); border-radius: var(--radius-sm); text-align: left; }
.trial-url-card span { font-size: 11px; font-weight: 900; }
.trial-url-card i { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: var(--brand); font-size: 18px; font-style: normal; font-weight: 900; }
.trial-analysis-card { display: flex; align-items: end; justify-content: center; gap: 8px; padding-bottom: 14px; border-bottom: 2px solid var(--dark); }
.trial-analysis-card i { width: 24px; background: var(--dark); }
.trial-analysis-card i:nth-child(1) { height: 34px; }.trial-analysis-card i:nth-child(2) { height: 60px; }.trial-analysis-card i:nth-child(3) { height: 88px; background: var(--brand); border: 2px solid var(--dark); }
.trial-analysis-card b { position: absolute; right: 18px; top: 12px; width: 46px; height: 46px; border: 4px solid var(--dark); border-radius: 50%; }
.trial-analysis-card b::after { content: ""; position: absolute; width: 28px; border-top: 4px solid var(--dark); right: -22px; bottom: -10px; transform: rotate(45deg); }
.trial-calendar-card { display: grid; place-content: center; border: 2px solid var(--dark); border-radius: var(--radius-sm); box-shadow: inset 0 16px 0 var(--brand); }
.trial-calendar-card::before, .trial-calendar-card::after { content: ""; position: absolute; top: -7px; width: 10px; height: 20px; border-radius: 6px; background: var(--dark); }
.trial-calendar-card::before { left: 34px; }.trial-calendar-card::after { right: 34px; }
.trial-calendar-card strong { font-size: 46px; line-height: 1; }.trial-calendar-card span { font-size: 10px; font-weight: 900; }
.trial-timeline { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); padding: 30px 20px 20px; text-align: center; }
.trial-timeline::before { content: ""; position: absolute; top: 18px; left: 16.66%; right: 16.66%; border-top: 2px solid var(--light-soft); }
.trial-timeline i { position: relative; z-index: 1; width: 12px; height: 12px; justify-self: center; margin-top: -17px; border: 2px solid var(--light); border-radius: 50%; background: var(--brand); }
.trial-timeline span { color: var(--light-soft); font-size: 9px; }
.trial-note { margin: 0; padding: 20px 30px; border-top: 1px solid var(--dark-line); color: var(--light-soft); text-align: center; font-size: 11px; }
.trial-note strong { color: var(--brand); }
.trial-participation-note { display: flex; justify-content: center; gap: 12px; margin: 0; padding: 16px 30px; border-top: 1px solid var(--dark-line); background: var(--dark-surface); color: var(--light-soft); font-size: 10px; line-height: 1.65; }
.trial-participation-note strong { flex: none; color: var(--brand); }

@media (max-width: 900px) {
  .compare-row { grid-template-columns: 1fr; gap: 14px; }
  .compare-track { min-width: 680px; }
  .revenue-compare { overflow-x: auto; }
  .trial-steps { grid-template-columns: 1fr; }
  .trial-steps li { min-height: auto; padding-block: 30px; }
  .trial-steps li + li { border-left: 0; border-top: 1px solid var(--dark); }
  .trial-steps li:not(:last-child)::after { content: "↓"; top: auto; right: calc(50% - 18px); bottom: -18px; }
}

@media (max-width: 720px) {
  .revenue-compare { padding: 22px 16px; }
  .compare-track { min-width: 0; grid-template-columns: 1fr; gap: 6px; }
  .compare-track > span { min-height: 48px; border-radius: var(--radius-sm); }
  .compare-delivery { min-height: 42px; }
  .compare-delivery::after { display: none; }
  .compare-post { min-height: 54px; margin: 0; }
  .revenue-compare > p { text-align: left; line-height: 1.7; }
  .revenue-model-note { margin-top: 24px; }
  .trial-badges { display: grid; gap: 8px; }
  .trial-badges span { min-width: 0; }
  .trial-steps h3 { font-size: 20px; }
  .trial-timeline { display: none; }
  .trial-note { text-align: left; line-height: 1.7; }
  .trial-participation-note { display: grid; gap: 4px; }
}

/* Clear monthly improvement-cycle diagram */
.flow-shell { max-width: 1180px; }
.phase-heading-cycle { margin-top: 54px; }
.cycle-frequency { margin-left: auto; min-width: 176px; display: grid; grid-template-columns: auto 1fr; align-items: center; overflow: hidden; border: 2px solid var(--brand); border-radius: var(--radius-sm); background: var(--brand); color: var(--dark); }
.cycle-frequency b { padding: 9px 12px; border-right: 1px solid rgb(0 0 0 / 0.3); font-size: 16px; line-height: 1; }
.cycle-frequency small { padding: 8px 10px; color: var(--dark); font-size: 9px; font-weight: 900; line-height: 1.25; text-align: center; }
.cycle-diagram { padding: 30px; border: 2px solid var(--brand); border-radius: var(--radius-lg); background: var(--dark); }
.cycle-legend { display: flex; justify-content: flex-end; gap: 8px; margin-bottom: 20px; }
.cycle-legend span { padding: 6px 10px; border-radius: 999px; color: var(--dark); font-size: 9px; font-weight: 900; }
.legend-singi { background: var(--light); }.legend-client { background: var(--brand); }
.cycle-track { display: grid; grid-template-columns: minmax(0, 1fr) 76px minmax(0, 1fr) 76px minmax(0, 1fr); align-items: stretch; margin: 0; padding: 0; list-style: none; }
.cycle-step { position: relative; min-height: 350px; display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--dark-line); border-radius: var(--radius); background: var(--dark-surface); }
.cycle-step-decide { border-color: var(--brand); }
.cycle-owner { width: fit-content; padding: 5px 9px; border-radius: var(--radius-sm); color: var(--dark); font-size: 10px; font-weight: 900; }
.cycle-owner-singi { background: var(--light); }.cycle-owner-client { background: var(--brand); }
.cycle-step-number { position: absolute; top: 24px; right: 24px; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--brand); border-radius: 50%; color: var(--brand); font-size: 12px; line-height: 1; }
.cycle-step-symbol { width: 92px; height: 92px; display: grid; place-content: center; margin: 30px 0 24px; border: 2px solid var(--brand); border-radius: 50%; color: var(--brand); font-size: 12px; font-weight: 900; letter-spacing: 0.08em; }
.cycle-step-decide .cycle-step-symbol { background: var(--brand); color: var(--dark); }
.cycle-step h3 { margin: 0; color: var(--light); font-size: 21px; line-height: 1.45; }
.cycle-step p { margin: 14px 0 0; color: var(--light-soft); font-size: 11px; line-height: 1.75; }
.cycle-connector { display: grid; place-content: center; gap: 8px; color: var(--brand); text-align: center; }
.cycle-connector span { width: 46px; height: 46px; display: grid; place-content: center; border: 1px solid var(--brand); border-radius: 50%; font-size: 22px; font-weight: 900; }
.cycle-connector small { width: 66px; color: var(--light-soft); font-size: 8px; line-height: 1.35; }
.cycle-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: auto; padding-top: 18px; }
.cycle-choices > span { padding: 11px; border: 1px solid var(--dark-line); border-radius: var(--radius-sm); background: var(--dark); }
.cycle-choices > span:first-child { border-color: var(--brand); background: var(--brand); color: var(--dark); }
.cycle-choices b, .cycle-choices small { display: block; }
.cycle-choices b { font-size: 11px; }.cycle-choices small { margin-top: 3px; color: inherit; font-size: 8px; opacity: 0.75; }
.cycle-return { position: relative; display: flex; align-items: center; justify-content: center; gap: 14px; margin: 22px 0 16px; padding: 16px 20px; border-radius: var(--radius); background: var(--brand); color: var(--dark); }
.cycle-return::before, .cycle-return::after { content: ""; position: absolute; top: -23px; width: calc(33.33% - 42px); border-top: 1px dashed var(--brand); }
.cycle-return::before { left: 12%; }.cycle-return::after { right: 12%; }
.cycle-return > span { font-size: 28px; font-weight: 900; }
.cycle-return div { display: grid; gap: 3px; }
.cycle-return b { font-size: 13px; }.cycle-return small { color: var(--dark); font-size: 9px; }
.cycle-shared-base { display: grid; grid-template-columns: auto 170px minmax(0, 1fr); gap: 16px; align-items: center; padding: 18px 22px; border: 1px solid var(--light-soft); border-radius: var(--radius); background: var(--dark-surface); }
.cycle-shared-label { padding: 6px 9px; border-radius: var(--radius-sm); background: var(--light); color: var(--dark); font-size: 9px; font-weight: 900; white-space: nowrap; }
.cycle-backlog-logo { display: grid; place-items: center; min-height: 64px; padding-block: 8px; }
.cycle-backlog-logo img { display: block; width: 134px; max-width: 100%; height: auto; }
.cycle-shared-copy { display: grid; gap: 5px; }
.cycle-shared-copy strong { color: var(--light); font-size: 13px; }
.cycle-shared-copy small { color: var(--light-soft); font-size: 9px; }

@media (max-width: 900px) {
  .cycle-track { grid-template-columns: 1fr; gap: 0; }
  .cycle-step { min-height: auto; }
  .cycle-connector { min-height: 76px; }
  .cycle-connector span { transform: rotate(90deg); }
  .cycle-connector small { width: auto; }
  .cycle-return::before, .cycle-return::after { display: none; }
}

@media (max-width: 720px) {
  .phase-heading-cycle { display: grid; grid-template-columns: auto 1fr; }
  .cycle-frequency { grid-column: 1 / -1; width: 100%; margin: 6px 0 0; }
  .cycle-frequency b { text-align: center; }
  .cycle-diagram { padding: 18px 14px; }
  .cycle-legend { justify-content: flex-start; flex-wrap: wrap; }
  .cycle-step { padding: 22px; }
  .cycle-step-symbol { width: 76px; height: 76px; margin-block: 24px 18px; }
  .cycle-step h3 { font-size: 19px; }
  .cycle-return { align-items: flex-start; }
  .cycle-shared-base { grid-template-columns: 1fr; }
  .cycle-shared-label { width: fit-content; }
  .cycle-backlog-logo { width: min(100%, 190px); }
}